Workshop Calculation Semester 3 July 2017

Workshop Calculation & Science (Semester-III) MCQs

1. (17)^? × (17)^? = 17⁴
   a) 2.25
   b) 2.75
   c) 4.25
   d) 4.5
   Answer: b) 2.75
2. Matrix equation → value of x:
   a) 1/2
   b) 1
   c) 2
   d) 3/2
   Answer: b) 1
3. Logarithmic expression value of x:
   a) 1.45
   b) 1.88
   c) 2.9
   d) 3.7
   Answer: b) 1.88
4. If 5^? = 3125, value =
   a) 25
   b) 125
   c) 625
   d) 1625
   Answer: b) 125
5. Equation → x =
   a) 0
   b) 2
   c) 4
   d) 6
   Answer: c) 4
6. Series RLC applied voltage:
   a) 3.00 V
   b) 12.37 V
   c) 34.98 V
   d) 48.00 V
   Answer: d) 48.00 V
7. Parallel RLC reference:
   a) Current
   b) Reactance
   c) Resistance
   d) Voltage
   Answer: d) Voltage
8. Current in RLC circuit:
   a) 1.05 A
   b) 303 mA
   c) 247 mA
   d) 107 mA
   Answer: d) 107 mA
9. Q-factor of series circuit:
   a) 0.01
   b) 50
   c) 80
   d) 4.0
   Answer: d) 4.0
10. Waveform shown:
    a) Sine
    b) Square
    c) Triangle
    d) Sawtooth
    Answer: c) Triangle
11. Equivalent circuit theorem:
    a) Multinetwork
    b) Norton
    c) Thevenin
    d) Superposition
    Answer: c) Thevenin
12. Power dissipation calculation:
    a) Individual parameters
    b) Voltage division square
    c) I²R
    d) Ratio method
    Answer: c) I²R
13. Current in loaded divider:
    a) Resistor current
    b) Load current
    c) Bleeder current
    d) Voltage current
    Answer: b) Load current
14. Equivalent resistance:
    a) 358 Ω
    b) 1389 Ω
    c) 5700 Ω
    d) 880 Ω
    Answer: b) 1389 Ω
15. Conductance unit:
    a) ohm/m
    b) m/ohm
    c) mho/m
    d) mho
    Answer: d) mho
16. Induced voltage:
    a) 1000 V
    b) 2000 V
    c) 31.25 V
    d) 3125 V
    Answer: a) 1000 V
17. Increase current → flux:
    a) Reverse
    b) Decrease
    c) Increase
    d) No change
    Answer: c) Increase
18. Area ↑ flux same → density:
    a) Increase
    b) Decrease
    c) Same
    d) Double
    Answer: b) Decrease
19. Current reverses → magnetic field:
    a) Reverse
    b) Same
    c) Expand
    d) Collapse
    Answer: a) Reverse
20. Pitot tube measures:
    a) Pressure
    b) Pressure difference
    c) Velocity
    d) None
    Answer: c) Velocity
21. Resistances (series & parallel):
    a) 3Ω & 6Ω
    b) 3Ω & 9Ω
    c) 1.5Ω & 3Ω
    d) 1.5Ω & 0.5Ω
    Answer: c) 1.5Ω & 3Ω
22. Four resistors ratio:
    a) 1/16
    b) 1/4
    c) 4
    d) 16
    Answer: a) 1/16
23. Incorrect relation:
    a) V=IR
    b) P=V²G
    c) G=P/I²
    d) I=√(P/R)
    Answer: c) G=P/I²
24. Least resistance bulb:
    a) 220V 60W
    b) 220V 100W
    c) 115V 60W
    d) 115V 100W
    Answer: b) 220V 100W
25. Resistance ratio (100W 220V vs 100W 110V):
    a) 4
    b) 2
    c) 1/2
    d) 1/4
    Answer: a) 4